Adjustment of Snap-fit middle thread guide
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Chapter 10
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(2) Detach the snap-fit middle thread guide.
(3) To adjust stroke of the thread take-up spring, put some coin, etc. in the groove of the spring shaft and
turn the spring shaft.
Minimum stroke Standard stroke Maximum stroke
Click three times in the
counterclockwise direction
Position at shipment from the
factory
Click twice in the clockwise
direction
Snap-fit middle thread guide
UO12
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